85 lines
2.8 KiB
Java
85 lines
2.8 KiB
Java
/*
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* Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import com.sun.beans.util.Cache;
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/*
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* @test
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* @bug 8039137
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* @summary Tests Cache recursion
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* @author Sergey Malenkov
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* @modules java.desktop/com.sun.beans.util
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* @compile -XDignore.symbol.file TestCacheRecursion.java
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* @run main TestCacheRecursion
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*/
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public class TestCacheRecursion {
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private static boolean ERROR;
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private static final Cache<Class<?>,Boolean> CACHE
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= new Cache<Class<?>,Boolean>(Cache.Kind.WEAK, Cache.Kind.STRONG) {
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@Override
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public Boolean create(Class<?> type) {
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if (ERROR) {
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throw new Error("not initialized");
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}
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type = type.getSuperclass();
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return (type != null) && get(type);
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}
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};
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public static void main(String[] args) {
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CACHE.get(Z.class);
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ERROR = true;
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for (Class<?> type = Z.class; type != null; type = type.getSuperclass()) {
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CACHE.get(type);
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}
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}
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private class A {}
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private class B extends A {}
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private class C extends B {}
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private class D extends C {}
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private class E extends D {}
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private class F extends E {}
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private class G extends F {}
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private class H extends G {}
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private class I extends H {}
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private class J extends I {}
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private class K extends J {}
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private class L extends K {}
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private class M extends L {}
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private class N extends M {}
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private class O extends N {}
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private class P extends O {}
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private class Q extends P {}
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private class R extends Q {}
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private class S extends R {}
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private class T extends S {}
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private class U extends T {}
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private class V extends U {}
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private class W extends V {}
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private class X extends W {}
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private class Y extends X {}
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private class Z extends Y {}
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}
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